4x + 398 = 701 4x = 303 x = 303/4 = 75.75
y + 657 = 2223 y = 2223 - 657 = 1566
Ответ:x = 75.75y = 1566
4x + 398 = 701
4x = 303
x = 303/4 = 75.75
y + 657 = 2223
y = 2223 - 657 = 1566
Ответ:
x = 75.75
y = 1566